diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp
index 6f91a644997a..a951bebe96bd 100644
--- a/lld/ELF/SyntheticSections.cpp
+++ b/lld/ELF/SyntheticSections.cpp
@@ -425,7 +425,7 @@ bool EhFrameSection::isFdeLive(EhSectionPiece &Fde, ArrayRef<RelTy> Rels) {
 // one and associates FDEs to the CIE.
 template <class ELFT, class RelTy>
 void EhFrameSection::addSectionAux(EhInputSection *Sec, ArrayRef<RelTy> Rels) {
-  DenseMap<size_t, CieRecord *> OffsetToCie;
+  OffsetToCie.clear();
   for (EhSectionPiece &Piece : Sec->Pieces) {
     // The empty record is the end marker.
     if (Piece.Size == 4)
diff --git a/lld/ELF/SyntheticSections.h b/lld/ELF/SyntheticSections.h
index f27b91b4d6bc..fc5ffa3f2747 100644
--- a/lld/ELF/SyntheticSections.h
+++ b/lld/ELF/SyntheticSections.h
@@ -86,6 +86,10 @@ public:
   ArrayRef<CieRecord *> getCieRecords() const { return CieRecords; }
 
 private:
+  // This is used only when parsing EhInputSection. We keep it here to avoid
+  // allocating one for each EhInputSection.
+  llvm::DenseMap<size_t, CieRecord *> OffsetToCie;
+
   uint64_t Size = 0;
 
   template <class ELFT, class RelTy>